obsolete vs roughspun

obsolete

adj
  • Imperfectly developed; not very distinct. 

  • No longer in use; gone into disuse; disused or neglected (often in favour of something newer). 

verb
  • To cause to become obsolete. 

roughspun

adj
  • Unpolished, rough and ready, uncultured, unsophisticated. 

  • Woven from a coarsely spun yarn, (usually also from a coarse material). 

noun
  • A garment made from roughly spun yarn or made from a coarse material. 

How often have the words obsolete and roughspun occurred in a corpus of books? (source: Google Ngram Viewer )